Chrome version detect

<?php

$ua = $_SERVER['HTTP_USER_AGENT'];
$pattern = '/Chrome\/[.0-9]*/';
preg_match($pattern, $ua, $matches);
$chromeinfo = $matches[0];
$chromedata = explode('/', $chromeinfo);
// var_dump($chromedata);

// Now we have the version of chrome
$chromever = $chromedata[1];

echo '<pre>You have browser : ' . $chromedata[0] . '<br> Version : ' . $chromever; // chrome version